Marcy A. Cheifetz, MD
NPI 1003825415ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Chestnut Hill, MA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Chestnut Hill, Massachusetts, trained at Js Weill Medical College, Cornell University (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $1,165,629 for 3,209 claims, against $394,203 paid for services in 2024. Tandem Diabetes Care, Inc. was the largest of 2 companies reporting payments in 2025, $242.36 in all, mostly food and beverage.
Overview
| NPI | 1003825415 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | Feb 4, 2021 |
| Certified by provider | Feb 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 220958 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 982 |
|---|---|
| Services billed | 30,400 across 99 procedure codes |
| Paid by Medicare | $394,203 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,209 · 7,485 30-day fills |
|---|---|
| Patients | 344 |
| Total drug cost | $1,165,629 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | Js Weill Medical College, Cornell University |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Atrius Health IncBraintree, MA · 1,222 clinicians
Industry payments (Open Payments)
- 2025$242.36 · 2 payments from 2 companies
- 2024$3,772 · 8 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tandem Diabetes Care, Inc. | $123.16 | 1 |
| Sequel Med Tech, LLC | $119.20 | 1 |
What the 2025 payments were for
- Food and Beverage$242.36 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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